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MACHINE CONTROLS
Climate Control System
Climate Control Panel
1
2
9
8
Figure 3-36
1. OFF button
2. Fan speed button
3. Liquid Crystal Display
4. Temperature (TEMP) selection button
5. Vent MODE selection
6. Automatic (AUTO) temperature button
7. Air conditioning (A/C) button
8. Fresh-air button
9. Recirculated-air button
Climate Control System Operation
NOTICE!
If water gets in the control panel or the sunlight
sensor, a failure may result. Always keep these
components clear and free of water. Failure to
follow this notice could damage the machine or
cause it to operate improperly.
NOTE: Check the fuses if there is a problem with the
climate control panel operation. Check the
sunlight sensor for blockage or damage if there is
a problem with the climate control system.
Contact a SANY dealer for further information.
AUTO Button
Press the AUTO button to turn on the automatic
temperature control function. The cab temperature will be
maintained at the set temperature displayed on the LCD
screen (3).
NOTE: A sunlight sensor adjusts the airflow of the climate
control system when the cab is in direct sunlight. See
"Sunlight Sensor" on page 3-19.
3
4
5
6
7
OFF Button
Press the OFF button (1) to shut off the fan and all
heating and cooling functions.
NOTE: To turn on heating and cooling functions, press the
fan speed button or the AUTO button.
Fan Speed Control
Press the fan speed button (2) up or down arrow to set
the fan speed to any of six levels. In AUTO mode, the fan
will remain on high speed until the selected temperature
is reached.
LCD Screen
The LCD screen (3) shows the preset temperature, fan
0003663
speed, and vent selection during operation.
Temperature Selection Control
Press the TEMP up or down arrow (4) to control the
inside cab temperature between 63°F and 90°F (18°C
and 32°C). Press and hold both the up and down arrows
for about 5 seconds to toggle between Fahrenheit (°F)
and Celsius (°C) temperature display.
Vent Mode Selection
Press the vent MODE selection button (5) to select which
vent or vents are used for airflow inside the cab:
• Floor vent only.
• All vents (front, rear, and floor).
• Front and rear vents only.
Automatic Temperature Control (AUTO)
Press AUTO (6) to activate the automatic temperature
control system. The climate control panel will
automatically adjust fan speed, outlet vents, and air
source to achieve and maintain the selected
temperature. The desired temperature can be changed
while in AUTO mode. Any other selection will deactivate
the automatic temperature control.
Air Conditioning (AC) Power
Press the A/C power button (7) to switch the air
conditioning system on and off.
Fresh-Air or Recirculated-Air Selection
Press the fresh-air button (8) or recirculation-air button
(9) to choose either filtered fresh-air from outside or
recirculated-air from inside the cab.
3-20
SY155U Excavator OMM
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